The Pacific Scientific POWERMAX II® M Series motors with SIGMAX® technology are the most powerful steppers available. Its 2-phase NEMA 23 sized hybrid stepper motor can provide the highest torque per motor size ranging from 0.67 to 1.79 N-m (95 to 253 oz-in) nominal holding torque and speeds up to 3,000 rpm. It also have a polymer encapsulated stator for an outstanding thermal dissipation and polymer end bell with threaded inserts that makes it run cooler while providing greater flexibility for mounting encoder and brake options. The exposed laminations also greatly improves thermal dissipation for longer motor life.

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